What is the surface area of this cylinder? Use ​ ≈ 3.14 and round your answer to the nearest hundredth.

7 ft
7 ft

square feet

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16